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Centered triangular number
Y 78%
Centered figurate number that represents a triangle with a dot in the center
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Instances
2
Influencing rating
Y 78%
1
Number
10
Natural number
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A centered (or centred) triangular number is a centered figurate number that represents an equilateral triangle with a dot in the center and all its other dots surrounding the center in successive equilateral triangular layers.

Instance of
type of integer
Subclass of
Centered polygonal number
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